class Message(Object):

    ## Init ##
    def __init__(self):

    ## Content ##
    def contentLength(self):
    def contentType(self):

    ## Protocol ##
    def protocol(self):

    ## Arguments ##
    def arg(self, name, default=NoDefault):
    def setArg(self, name, value):
    def hasArg(self, name):
    def deleteArg(self, name):
    def clearArgs(self):
    def argNames(self):

    ## Exception reports ##
    def writeExceptionReport(self, handler):